/// <summary>
/// 自检，配合 RabbitMQ 内部自动重连机制
/// </summary>
private async Task SelfCheck(CancellationToken token)
{
while (!token.IsCancellationRequested)
{
Run();
await Task.Delay(TimeSpan.FromSeconds(60));
}
void Run()
{
try
{
int error = 0, reconnect = 0;
_logger.Debug($"正在执行自检");
foreach (var item in Services)
{
for (int i = 0; i < item.Channels.Count; i++)
{
var c = item.Channels[i];
if (c.Connection == null || !c.Connection.IsOpen)
{
error++;
_logger.Information($"{c.ExchangeName} {c.QueueName} {c.Routekey} 重新创建消费者");
try
{
c.Stop();
var manager = new MqChannelManager(MqGlobleConfig.DefaultMQConfig);
var channel = manager.CreateReceiveChannel(c.ExchangeType, c.ExchangeName, c.QueueName, c.Routekey, c.OnReceivedCallback);
item.Channels.Remove(c);
item.Channels.Add(channel);
_logger.Information($"{c.ExchangeName} {c.QueueName} {c.Routekey} 重新创建完成");
reconnect++;
}
catch (Exception ex)
{
_logger.Error(ex, ex.Message);
}
}
}
}
_logger.Debug($"自检完成，错误数：{error}，重连成功数：{reconnect}");
}
catch (Exception ex)
{
_logger.Error(ex, "mq自检错误");
}
}
}
//public MqConsumerChannel CreateChannel(string queue, string routeKey, string exchangeType)
//{
// MqConnection conn = new MqConnection(Config, vHost);
// MqChannelManager cm = new MqChannelManager(conn);
// MqConsumerChannel channel = cm.CreateReceiveChannel(exchangeType, ExchangeName, queue, routeKey);
// return channel;
//}
/// <summary>
/// 启动订阅
/// </summary>
public void Start()
{
if (!_started)
{
if (!Queues.Exists(x => x.QueueName == QueueName))
{
Queues.Add(new QueueInfo(QueueName, OnReceived));
}
var manager = new MqChannelManager(Config);
foreach (var item in Queues)
{
MqConsumerChannel channel = manager.CreateReceiveChannel(item.ExchangeType, this.ExchangeName, item.QueueName, item.RouterKey, item.OnReceived);
this.Channels.Add(channel);
}
_started = true;
Log.Information("mq服务开始");
}
}
